usb book

Booting from the USB stick there are three ways: USB-HDD, Usb-cdrom, USB-FDD, which USB-FDD format is older, at the same time there is a certain problem of compatibility, and currently only for USB-HDD and

Someone asked, how can I write a driver for so long? Indeed, it is not easy for everyone to go all the way, but now that we have reached today, we can only stick to it. Usb_stor_acquire_resources () is used to obtain resources by name. What is a resource? I have not applied for a large number of applications... Someone asked, how can I write a driver for so long? Indeed, it is not easy for everyone to go all the way, but now that we have reached today, we can only stick to it. Usb_stor_acquir

In the code of the entire USB-storage module, the most soul part is in a function called usb_stor_control_thread (), which is naturally the climax of our entire story. Some special functions are called from the usb_stor_acquire_resources () function, which we will see soon. It only appears once in the whole play, that is, in storage_probe, where the row number is 1005. However, before that, there were four functions in front of us, namely get_device_i

In the previous article, we have given the link address of the USB protocol, from this article, we will involve a lot of USB 1.1 content, our guiding ideology is to start with the familiar USB 1.1 protocol, first use off-the-shelf HCD and USBD, directly face the client driver programming, see the results as soon as possible, So that readers have confidence in the

debugging, everything went smoothly. The next step is to consider how to write the software. When it comes to software, it's big. I read the PDIUSBD12 data manual for a few days. Oh, my God, what are so many strange registers. It seems that PDIUSBD12 cannot be programmed without understanding the USB protocol. So I had to go over the USB specification,The English version of more than 200 pages is not as go

After reading get_transport (), continue to read the get_protocol () and get_pipes () functions. Still from drivers/usb/storage/usb. c: 672staticintget_protocol (structus_data * us) 673 {674 switch (us- gt; subclass) {675 After reading get_transport (), continue to read the get_protocol () and get_pipes () functions. Still from drivers/usb/storage/

Technorati label: Boot Disk How to Create a USB flash drive and install the system with a USB flash drive (reprinted) Many of my friends are using laptops without optical drives, but the problem also arises. When we need to reinstall the system, there is no optical drive. What should we do? Maybe you can say that the hard disk can be installed under DOS, but how many people will use dos? In fact, not only d

to ensure it works; (2) There is no problem with the USB interface--it can be tested on this interface by connecting other USB devices; (3) USB device driver has been properly installed, if there is a detailed description of the book of the USB device, be sure to carefull

Quick USB Learning (Single Chip Microcomputer Application)(Prepared by flashman, qq28479691. If you want to reprint it, please specify the source) USBI believe everyone knows the advantages of this technology, and it is still very profitable. Hey hey, let's not talk about it here. If you don't understand it, go and read the book. Here we will talk about how to quickly master the

USB has become one of the indispensable interfaces of PC, almost all devices can be connected to USB devices, USB keyboard, mouse, printer, camera, and commonly used U disk and so on, starting from this article, will focus on the use of USB devices in Dos method, There will be several temporary difficult to set, write

Linux-USB Gadget OverviewThe Linux-USB Gadget driver framework (hereinafter referred to as gadget) provides software functions for devices defined by the USB protocol.Compared with the Linux USB host driver, the gadget driver appears later than 2.4.23.The Gadget Framework proposes a set of standard APIs, which are driv

For the entire USB-storage module, the usb_stor_init () function is its start. However, for the USB flash drive, the function that actually drives the USB flash drive starts with the storage_probe () function. As long as the two parallel lines overlap, it is doomed to start a lifetime of entanglement, no matter whether the middle is a short separation.

Come out and try again later. Basically, each directory in the Linux kernel has a Makefile. Makefile and Kconfig are just like a map of a city. a map shows us a city, while Makefile and Kconfig let us know what is under this directory... "Come out and try again sooner or later ." Basically, there is a Makefile under each directory in the Linux kernel. Makefile and Kconfig are like a map of a city. a map leads us to know a city, while Makefile and Kconfig let us know the structure under this dire